/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.csit.iap.client;

import branchws.BranchHQWS_Service;
import com.csit.iap.domain.PDFWriter;
import com.itextpdf.text.DocumentException;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.WebServiceRef;

/**
 *
 * @author Kundzia
 */
@WebServlet(name = "BranchClientServlet", urlPatterns = {"/BranchClientServlet"})
public class BranchClientServlet extends HttpServlet {

    @WebServiceRef(wsdlLocation = "WEB-INF/wsdl/localhost_8080/BranchWebService/BranchHQWS.wsdl")
    private BranchHQWS_Service service;

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /*
             * TODO output your page here. You may use following sample code.
             */
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet BranchClientServlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet BranchClientServlet at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private List<branchws.Order> getOrdersData(int arg0) {
        service = new BranchHQWS_Service();
        branchws.BranchHQWS port = service.getBranchHQWSPort();
        return port.getOrdersData(arg0);
    }

    public String askForReport(int bookstore_id) throws DocumentException, FileNotFoundException {
        List<branchws.Order> order = getOrdersData(bookstore_id);      
        PDFWriter pdfWriter = new PDFWriter(order, bookstore_id, "branch_report");
        String path = pdfWriter.createPDFReport();

        HttpURLConnection conn;
        try {
            String ret;
            URL url = new URL("http://checkip.dyndns.com/");
            conn = (HttpURLConnection) url.openConnection();
            conn.setReadTimeout(2000); // 2,000 miliiseconds 
            InputStream iStream = conn.getInputStream();
            InputStreamReader isReader = new InputStreamReader(iStream);
            BufferedReader bReader;
            bReader = new BufferedReader(isReader);
            ret = bReader.readLine();

            String ex = "Current IP Address: ";
//            return (ret.substring(ret.indexOf(ex) + ex.length(), ret.indexOf("</body></html>"))) + ":8080/BookstoreChainHQWS/" + path;
            
            InetAddress ip = InetAddress.getLocalHost();
            return ip.toString().substring(ip.toString().indexOf("/")+1) + ":8080/BookstoreChainHQWS/" + path;
        } catch (IOException ex) {
            throw new RuntimeException(ex.toString());
        }

    }
}
